joe biden, the first roman catholic to be elected vice president, is leading the delegation. >> catherine: another cruise ship is having serious problems at sea. carnival is scrambling to charter flights for thousands of passengers after their ship became inoperable at a caribbean port. an emergency generator - which powers ship propulsion -- failed. about 36-hundred passengers were on board. some of them saw what happened on the carnival triumph last month, and didn't think it could happen again. >> "well, i think we kind of figured this ship's newer, they're going to be more cautious, and um, that you know, things happen, but something like this should not be a recurring issue. and we actually had scheduled it prior to that event happening." >> catherine: passengers are reporting power outages and overflowing toilets. carnival says there were 'periodic interruptions' -- but the ship never lost full power. >> if you didn't file your federal tax return for 2009, you could be missing out on a refund. the i-r-s says it has 917 million dollars in unclaimed tax refunds.. more than 984-thousan